The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2022
Filed:
Jun. 02, 2017
Basf Corporation, Florham Park, NJ (US);
Mathias Feyen, Laudenbach, DE;
Ulrich Mueller, Neustadt, DE;
Faruk Oezkirim, Ludwigshafen, DE;
Stefan Dumser, Ludwigshafen, DE;
Natalia Trukhan, Ludwigshafen, DE;
Michaela Maltry, Hessheim, DE;
Stefan Maurer, Shanghai, CN;
BASF Corporation, Florham Park, NJ (US);
Abstract
A catalyst for the selective catalytic reduction of NOx comprises a zeolitic material which comprises (A) one or more zeolites having a GME framework structure containing YOand XO, and optionally further comprises one or more zeolites having a CHA framework structure containing YOand XO, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YOand XOand one or more zeolites having a CHA framework structure containing YOand XO, wherein Y is a tetravalent element, and X is a trivalent element, and the zeolitic material contains Cu and/or Fe as non-framework elements in an amount ranging from 0.1 to 15 wt. % calculated as the element and based on 100 wt. % of YO contained in the zeolitic material. Also provided are a process for its preparation, and a use in a method for the selective catalytic reduction of NOx.